........... is a potent vasodilator.

• Histamine

• Serotonin

• Codeine

• Cimetidine

Antiseptics and disinfectants either kill or prevent the growth of microorganisms. Identify which of the following is not true.

• A 0.2% solution of phenol is an antiseptic while 1% solution acts as a disinfectant

• Chlorine and iodine are used as strong disinfectants

• Dilute solutions of boric acid and hydrogen, peroxide are strong antiseptics

• Dilute solutions of boric acid and hydrogen, peroxide are strong antiseptics

Artificial sweetener which is stable under cold conditions only is 

• Saccharine

• Sucralose

• Aspartame

• Aspartame

Chloroxylenol is an example of........

• antiseptic

• antipyretic

• analgesic

• tranquiliser

• softner

• dryner

• buffering agent

• antiseptic

Which of the following hormones is produced under the condition of stress which stimulates glycogenolysis in the liver of human beings ?

• Thyroxin

• Insulin

• Adrenaline

• Adrenaline

Which of the following is an analgesic?

• Penicillin

• Streptomycin

• Chloromycetin

• Chloromycetin

Noradrenaline is a/an :

• Antacid

• Antihistamine

• Antidepressant

• Neurotransmitter

Which of the following is bacteriostatic?

• Penicillin

• Erythromycin

• Aminoglycoside

• Ofloxacin

TEL is a compound used as

• antibiotic

• antiseptic

• antiknocking

• antioxidant